return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H10 (2-Hexyne)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-234.699200
Energy at 298.15K-234.708149
HF Energy-234.699200
Nuclear repulsion energy206.627798
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYPultrafine/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3087 2986 35.51      
2 A' 3074 2974 9.63      
3 A' 3031 2933 32.39      
4 A' 3021 2923 26.15      
5 A' 3020 2922 39.77      
6 A' 3002 2904 19.19      
7 A' 2351 2274 0.02      
8 A' 1509 1460 6.42      
9 A' 1494 1445 0.70      
10 A' 1481 1433 7.44      
11 A' 1477 1429 1.69      
12 A' 1418 1372 3.53      
13 A' 1414 1368 1.57      
14 A' 1383 1338 1.04      
15 A' 1313 1270 10.54      
16 A' 1162 1124 0.42      
17 A' 1110 1074 1.58      
18 A' 1057 1023 0.19      
19 A' 1035 1002 1.13      
20 A' 892 863 2.92      
21 A' 766 741 0.20      
22 A' 495 479 1.39      
23 A' 340 329 0.38      
24 A' 279 270 6.83      
25 A' 100 97 2.09      
26 A" 3082 2982 60.95      
27 A" 3074 2974 9.92      
28 A" 3056 2957 1.84      
29 A" 3023 2925 5.28      
30 A" 1500 1451 7.02      
31 A" 1481 1433 7.13      
32 A" 1326 1283 0.05      
33 A" 1263 1222 0.04      
34 A" 1127 1090 0.00      
35 A" 1057 1023 0.26      
36 A" 876 848 0.52      
37 A" 743 719 2.12      
38 A" 400 387 0.00      
39 A" 237 229 0.09      
40 A" 215 208 10.25      
41 A" 81 78 0.38      
42 A" 24 23 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30937.0 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 29931.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYPultrafine/aug-cc-pVTZ
ABC
0.60520 0.03994 0.03853

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.222 -2.828 0.000
C2 -1.732 2.853 0.000
C3 0.931 -0.296 0.000
C4 0.000 0.833 0.000
C5 0.230 -1.665 0.000
C6 -0.784 1.743 0.000
H7 0.704 -3.787 0.000
H8 -2.760 2.487 0.000
H9 1.866 -2.798 0.881
H10 1.866 -2.798 -0.881
H11 -0.420 -1.729 -0.874
H12 -0.420 -1.729 0.874
H13 1.582 -0.222 -0.875
H14 1.582 -0.222 0.875
H15 -1.599 3.480 0.882
H16 -1.599 3.480 -0.882

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.40262.54803.85871.52824.99151.09046.64071.09151.09152.16062.16062.77212.77216.96596.9659
C26.40264.12412.66124.92551.45957.07241.09086.75716.75714.84504.84504.60494.60491.09061.0906
C32.54804.12411.46311.53762.66463.49804.62252.81272.81272.15422.15421.09331.09334.63034.6303
C43.85872.66121.46312.50801.20174.67273.21784.17634.17632.73862.73862.09302.09303.21633.2163
C51.52824.92551.53762.50803.55582.17425.11642.17632.17631.09131.09132.16242.16245.53145.5314
C64.99151.45952.66461.20173.55585.72672.11115.33145.33143.59863.59863.19793.19792.11172.1117
H71.09047.07243.49804.67272.17425.72677.16641.76181.76182.50272.50273.77443.77447.67417.6741
H86.64071.09084.62253.21785.11642.11117.16647.07877.07874.89994.89995.19215.19211.76441.7644
H91.09156.75712.81274.17632.17635.33141.76187.07871.76183.07412.52393.13072.59217.17137.3847
H101.09156.75712.81274.17632.17635.33141.76187.07871.76182.52393.07412.59213.13077.38477.1713
H112.16064.84502.15422.73861.09133.59862.50274.89993.07412.52391.74822.50593.05595.62195.3407
H122.16064.84502.15422.73861.09133.59862.50274.89992.52393.07411.74823.05592.50595.34075.6219
H132.77214.60491.09332.09302.16243.19793.77445.19213.13072.59212.50593.05591.74975.18774.8812
H142.77214.60491.09332.09302.16243.19793.77445.19212.59213.13073.05592.50591.74974.88125.1877
H156.96591.09064.63033.21635.53142.11177.67411.76447.17137.38475.62195.34075.18774.88121.7636
H166.96591.09064.63033.21635.53142.11177.67411.76447.38477.17135.34075.62194.88125.18771.7636

picture of 2-Hexyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 C3 112.419 C1 C5 H11 110.018
C1 C5 H12 110.018 C2 C6 C4 179.782
C3 C4 C6 178.775 C3 C5 H11 108.873
C3 C5 H12 108.873 C4 C3 C5 113.379
C4 C3 H13 109.065 C4 C3 H14 109.065
C5 C1 H7 111.150 C5 C1 H9 111.259
C5 C1 H10 111.259 C5 C3 H13 109.394
C5 C3 H14 109.394 C6 C2 H8 110.921
C6 C2 H15 110.975 C6 C2 H16 110.975
H7 C1 H9 107.690 H7 C1 H10 107.690
H8 C2 H15 107.963 H8 C2 H16 107.963
H9 C1 H10 107.613 H11 C5 H12 106.451
H13 C3 H14 106.300 H15 C2 H16 107.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.794      
2 C -0.720      
3 C -0.350      
4 C 0.499      
5 C -0.100      
6 C -0.170      
7 H 0.169      
8 H 0.188      
9 H 0.202      
10 H 0.202      
11 H 0.156      
12 H 0.156      
13 H 0.072      
14 H 0.072      
15 H 0.208      
16 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.133 -0.099 0.000 0.165
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.122 -2.894 0.000
y -2.894 -35.681 0.000
z 0.000 0.000 -39.014
Traceless
 xyz
x 0.226 -2.894 0.000
y -2.894 2.387 0.000
z 0.000 0.000 -2.613
Polar
3z2-r2-5.226
x2-y2-1.441
xy-2.894
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.291 -3.057 0.000
y -3.057 14.179 0.000
z 0.000 0.000 8.824


<r2> (average value of r2) Å2
<r2> 293.999
(<r2>)1/2 17.146